一种纳米治疗方法,通过向细胞表面GRP7878来选择性消除转移性乳腺癌细胞
Jaeho Shin1, Baksun Kim1, Tyson W Lager2
1Department of Chemical and Biomolecular Engineering, University of Notre Dame, Notre Dame, IN 465567, USA. bbilgicer@nd.edu.
Nanoscale
|August 1, 2023
概括
携带多克索鲁比辛前药的向纳米颗粒可以选择性地向表达葡萄糖调节蛋白78 (GRP78) 的侵袭性乳腺癌细胞. 这种方法在临床前模型中有效抑制肺转移,突出显示GRP78是乳腺癌治疗的关键标.
科学领域:
- 纳米医学是一种纳米医学.
- 癌症生物学 癌症生物学
- 药理学 药理学是指药理学的学科.
背景情况:
- 葡萄糖调节蛋白78 (GRP78) 存在于侵袭性转移性乳腺癌细胞的细胞表面.
- 由于其在某些癌细胞中的选择性表达,GRP78是一个有前途的治疗标.
- 准GRP78可能提供一种抑制癌细胞转移的策略.
研究的目的:
- 设计化物向的脂质体纳米颗粒,用于选择性地输送多克索鲁比前药物.
- 针对和抑制GRP78表达乳腺癌细胞的转移潜力.
- 在临床前肺转移模型中评估向纳米颗粒的疗效.
主要方法:
- 开发和优化一个GRP78结合功能化纳米粒子 (TNP).
- 在乳腺癌细胞系中细胞吸收和选择性的体外评估.
- 在肺转移的小鼠模型中,在体内评估TNPGRP78pep加载了多克索鲁比前药物.
主要成果:
- 在试验室中,TNPGRP78pep 证明了细胞吸收和选择性的增强.
- 在体内研究显示,显著抑制乳腺癌细胞的肺播种.
- 目标纳米粒子配方的疗效与负对照组相提并论.
结论:
- 针对表层GRP78表达乳腺癌细胞的特定向有效地抑制了肺转移.
- 这项研究证实了GRP78作为抑制乳腺癌转移的标的重要性.
- 以酸为向的脂质体纳米颗粒是转移性乳腺癌治疗的有希望的策略.
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